Table 2

Linear regression analyses with antibody titres shown as percentage differences in patients with periodontal disease (periodontitis) compared with patients without periodontitis

				Periodontitis
	Univariate			Age-adjusted			Multivariate*
	% Δ	95% CI	p Value	% Δ	95% CI	p Value	% Δ	95% CI	p Value
Antibody
Cit-vim	39	5 to 84	0.02	10	−23 to 56	0.61	6	−26 to 50	0.77
Vimentin	63	24 to 114	0.001	35	−5 to 91	0.09	29	−9.3 to 83	0.16
CEP-1	110	62 to 173	<0.001	48	7 to 105	0.02	43	4 to 98	0.03
REP-1	111	63 to 175	<0.001	70	22 to 138	0.002	71	22 to 134	0.002
Cit-fib	21	−9 to 60	0.19	19	−17 to 71	0.35	16	−19 to 68	0.41
Fibrinogen	128	76 to 194	<0.001	118	56 to 203	<0.001	114	53 to 199	<0.001

Antibody concentrations were log transformed for analyses.
*Adjusted for age, sex and smoking.